Intra-rater agreement of the anorectal exam and classification of injury severity in children with spinal cord injury

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Abstract

Study design:Intra-rater reliability study, cross-sectional design.Objectives:To report on the intra-rater agreement of the anorectal examinations and classification of injury severity in children with spinal cord injury (SCI).Setting:Two, non-profit children's hospitals specializing in pediatric SCI.Methods:180 subjects had at least two trials of the anorectal examinations as defined by the International Standards for Neurological Classification of Spinal Cord Injury. Intraclass correlation coefficients (ICC) and 95% confidence intervals (CI) were used to evaluate the agreement. ICC0.90high agreement; ICC between 0.75-0.89moderate agreement; ICC0.75poor agreement.Results:When evaluated for the entire sample, agreement was moderate-high for anal sensation and contraction and injury classification. When evaluated as a function of age at examination and type of injury, agreement for anal sensation was poor for subjects with tetraplegia in the 12-15-year age group (ICC0.56) and 16-21-year age group (ICC0.70) and for subjects with paraplegia in the 6-11-year age group (ICC0.69). Agreement for anal contraction was moderate for subjects with tetraplegia in the 16-21-year age group (ICC0.81) and subjects with paraplegia in the 12-15-year age group (ICC0.78) and poor for subjects with paraplegia in the 6-11-year age group (ICC0.67). Agreement for injury classification was poor for subjects with tetraplegia in the 12-15-year group (ICC0.56) and 16-21-year group (ICC0.74) and paraplegia in the 6-11-year group (ICC0.11) and 12-15-year group (ICC0.63). Anorectal responses had high agreement in subjects with tetraplegia in the 6-11-year group and moderate to high agreement in subjects with paraplegia in the 16-21-year group.Conclusion:The data do not fully support the use of anorectal examination in children. Further work is warranted to establish the validity of anorectal examination. © 2009 International Spinal Cord Society All rights reserved.

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Vogel, L., Samdani, A., Chafetz, R., Gaughan, J., Betz, R., & Mulcahey, M. J. (2009). Intra-rater agreement of the anorectal exam and classification of injury severity in children with spinal cord injury. Spinal Cord, 47(9), 687–691. https://doi.org/10.1038/sc.2008.180

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